FR49699E - Method and device for combating rock dust - Google Patents

Method and device for combating rock dust

Info

Publication number
FR49699E
FR49699E FR49699DA FR49699E FR 49699 E FR49699 E FR 49699E FR 49699D A FR49699D A FR 49699DA FR 49699 E FR49699 E FR 49699E
Authority
FR
France
Prior art keywords
combating
rock dust
rock
dust
combating rock
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Alwin Duesterloh
August Huxel
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR49699E publication Critical patent/FR49699E/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
    • E21B21/011—Dust eliminating or dust removing while drilling
    • E21B21/013—Dust eliminating or dust removing while drilling by liquids
    • E21B21/0135—Liquid flushing installations

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
FR49699D 1938-10-11 1938-10-11 Method and device for combating rock dust Expired FR49699E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR49699T 1938-10-11

Publications (1)

Publication Number Publication Date
FR49699E true FR49699E (en) 1939-05-30

Family

ID=8684821

Family Applications (1)

Application Number Title Priority Date Filing Date
FR49699D Expired FR49699E (en) 1938-10-11 1938-10-11 Method and device for combating rock dust

Country Status (1)

Country Link
FR (1) FR49699E (en)

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